linux-kernel - [PATCH RESEND 3/5] ARM: dts: imx6sl-evk: Assign corresponding power supply for LDOs

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Date:   Sun, 12 May 2019 09:57:27 +0000
From:   Anson Huang <anson.huang@....com>
To:     "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     dl-linux-imx <linux-imx@....com>
Subject: [PATCH RESEND 3/5] ARM: dts: imx6sl-evk: Assign corresponding power
 supply for LDOs

On i.MX6SL EVK board, sw2 supplies vdd1p1/vdd2p5/vdd3p0 LDO, this
patch assigns corresponding power supply for vdd1p1/vdd2p5/vdd3p0
to avoid confusion by below log:

vdd1p1: supplied by regulator-dummy
vdd3p0: supplied by regulator-dummy
vdd2p5: supplied by regulator-dummy

With this patch, the power supply is more accurate:

vdd1p1: supplied by SW2
vdd3p0: supplied by SW2
vdd2p5: supplied by SW2

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
No code change, just resend patch with correct encoding.
---
 arch/arm/boot/dts/imx6sl-evk.dts | 12 ++++++++++++
 arch/arm/boot/dts/imx6sl.dtsi    |  6 +++---
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts
index f7a48e4..4829aa6 100644
--- a/arch/arm/boot/dts/imx6sl-evk.dts
+++ b/arch/arm/boot/dts/imx6sl-evk.dts
@@ -580,6 +580,18 @@
 	status = "okay";
 };
 
+&reg_vdd1p1 {
+	vin-supply = <&sw2_reg>;
+};
+
+&reg_vdd3p0 {
+	vin-supply = <&sw2_reg>;
+};
+
+&reg_vdd2p5 {
+	vin-supply = <&sw2_reg>;
+};
+
 &snvs_poweroff {
 	status = "okay";
 };
diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi
index 9393f03..b36fc01 100644
--- a/arch/arm/boot/dts/imx6sl.dtsi
+++ b/arch/arm/boot/dts/imx6sl.dtsi
@@ -531,7 +531,7 @@
 					     <0 54 IRQ_TYPE_LEVEL_HIGH>,
 					     <0 127 IRQ_TYPE_LEVEL_HIGH>;
 
-				regulator-1p1 {
+				reg_vdd1p1: regulator-1p1 {
 					compatible = "fsl,anatop-regulator";
 					regulator-name = "vdd1p1";
 					regulator-min-microvolt = <1000000>;
@@ -546,7 +546,7 @@
 					anatop-enable-bit = <0>;
 				};
 
-				regulator-3p0 {
+				reg_vdd3p0: regulator-3p0 {
 					compatible = "fsl,anatop-regulator";
 					regulator-name = "vdd3p0";
 					regulator-min-microvolt = <2800000>;
@@ -561,7 +561,7 @@
 					anatop-enable-bit = <0>;
 				};
 
-				regulator-2p5 {
+				reg_vdd2p5: regulator-2p5 {
 					compatible = "fsl,anatop-regulator";
 					regulator-name = "vdd2p5";
 					regulator-min-microvolt = <2250000>;
-- 
2.7.4